Comparison

NaviGates vs Diesel Decoder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NaviGates

Easily search for automotive aftermarket parts from a comprehensive catalog. Find specific belts, pulleys, and hoses by vehicle make/model, OE number, or product characteristics. Includes a barcode scanner for quick access to part details and technical information.

Highlights
  • Search by vehicle make/model
  • Search by OE or article number
  • Barcode scanner for instant part info
  • Compare similar products
  • Save recent search history
  • Filter by size and characteristics
Features
Read full description

Search for Gates Automotive Aftermarket product ranges in a quick and easy way. Access the Gates product catalogue for passenger cars, recreational vehicles and heavy duty vehicles via the Gates Automotive Catalogue App. Find the part you need by giving the make or model of the vehicle application you are working on or give in the OE number, cross reference or Gates article number of the product you need to replace. A barcode scanner allows instant access to parts images, application data and technical tips and technical bulletins, which saves time and effort. Simply scan the barcode on the Gates product boxes. Search for belts, pulleys and hoses by their sizes and characteristics. No matter the application, the Gates Automotive Catalogue App will generate an overview of products based on the exact or approximate information given. Use the select and compare tool to list similar products side-by-side to make more informed selections. The app automatically saves recent search history, allowing you quick and easy access to data and reminders for your most popular models. Get quick and easy access, mobile access to our comprehensive aftermarket range with the Gates Automotive Catalogue App. Turn on your notifications to get notified when the catalogue is updated!

About

Diesel Decoder

This tool connects via Bluetooth to heavy commercial vehicles to read and clear diagnostic trouble codes. It displays live data, allows bi-directional commands, and generates shareable reports through a cloud platform. Requires dedicated hardware for operation.

Highlights
  • Read/clear Diagnostic Trouble Codes (DTCs)
  • View live data parameters
  • Run bi-directional commands
  • Generate local and cloud reports
  • Share reports via Diesel Health Platform
  • Requires Diesel Decoder hardware
Features
Read full description

Diesel Decoder is a Bluetooth diagnostics tool for all Heavy Commercial Vehicles, it can be used for reading/clearing Diagnostic Trouble Codes (DTCs), parameters, live data, and running bi-directional commands using the Diesel Decoder hardware (required). Diesel Decoder also allows the user to generate local and cloud based reports that may be viewed, printed, or shared with others via the Diesel Laptops Diesel Health Platform.

Screenshots

NaviGates4 screens
Diesel Decoder4 screens

Verdict

The call

The clearest difference is rating: Diesel Decoder at 3.3 against NaviGates's 1.9. Diesel Decoder also leads on review sentiment (27% vs 11%) and chart position (#165 vs unranked). NaviGates's advantage is in-app purchases (none vs 1) and iOS requirement (13.4 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Diesel Decoder sells 1 in-app purchase, starting at $29.99 per month. NaviGates asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Diesel Decoder holds the better App Store score, 3.3 against 1.9. Both are backed by a comparable volume of ratings — 21 and 30 respectively. Written reviews point the same way: 11% of NaviGates's written reviews are positive against 27% of Diesel Decoder's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on August 16, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 5 level
NaviGates versus Diesel Decoder: the parameters behind the verdict, then further details
ParameterNaviGatesDiesel Decoder
PriceFreeFree
Rating1.9 (21 ratings)3.3 (30 ratings) — better
Positive reviews11.1% of reviews27.3% of reviews — better
Number of ratings2130 — better
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#165 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.4 — better15.6
Further details — not scored
Size14 MB43 MB
Age rating4+4+
DeveloperGates CorporationDiesel Laptops LLC

Customer experience

NaviGates

All ratings21 ratings
Positive19.0%
Neutral4.8%
Negative76.2%
Written reviews9 reviews
Positive11.1%
Neutral0.0%
Negative88.9%

Diesel Decoder

All ratings30 ratings
Positive53.3%
Neutral6.7%
Negative40.0%
Written reviews11 reviews
Positive27.3%
Neutral0.0%
Negative72.7%

In-app purchases

None

NaviGates

No in-app purchases

1 purchases

Diesel Decoder

Subscriptions1
  • Decoder Professional Monthly2 Months trial$29.991 Month

Questions

Is NaviGates free?
NaviGates is free to download, with no in-app purchases.
Is Diesel Decoder free?
Diesel Decoder is free to download, with in-app purchases available.
Which has better reviews, NaviGates or Diesel Decoder?
Diesel Decoder is rated higher. NaviGates averages 1.9 out of 5 from 21 ratings, while Diesel Decoder averages 3.3 from 30 ratings.
Do NaviGates or Diesel Decoder have ads?
Neither NaviGates nor Diesel Decoder shows ads.
Which is updated more often, NaviGates or Diesel Decoder?
NaviGates ships an update every 3 months, and Diesel Decoder every 3 months. Most recently, NaviGates was updated on August 16, 2026 and Diesel Decoder on September 22, 2026.

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